package com.chapter.sample.redis.service;

import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Service;

import java.util.UUID;
import java.util.concurrent.ThreadLocalRandom;

@Slf4j
@Service
public class OrderService {

    private static final String ORDER_KEY = "ord:";

    @Autowired
    RedisTemplate redisTemplate;

    public void addOrder() {
        int keyId = ThreadLocalRandom.current().nextInt(1000) + 1;
        String serialNo = UUID.randomUUID().toString();

        String key = ORDER_KEY + keyId;
        String value = "京东订单:" + serialNo;

        redisTemplate.opsForValue().set(key, value);
        log.info("***key:{}", key);
        log.info("***value:{}", value);
    }

    public String getOrderById(Integer orderId) {
        return (String) redisTemplate.opsForValue().get(orderId);
    }

}
